3GPP
3GPP TR 25.996 V9.0.0 (2009
Contents
Foreword ...................................................................................................................................................... 4
1 Scope .................................................................................................................................................. 5
2 References .......................................................................................................................................... 5
3 Definitions, symbols and abbreviations ............................................................................................... 6
3.1 Definitions ................................................................................................................................................... 6
3.2 Symbols ....................................................................................................................................................... 6
3.3 Abbreviations............................................................................................................................................... 6
4 Spatial channel model for calibration purposes .................................................................................... 6
4.1 Purpose ........................................................................................................................................................ 6
4.2 Link level channel model parameter summary .............................................................................................. 7
4.3 Spatial parameters per path ........................................................................................................................... 8
4.4 BS and MS array topologies ......................................................................................................................... 8
4.5 Spatial parameters for the BS ....................................................................................................................... 8
4.5.1 BS antenna pattern .................................................................................................................................. 8
4.5.2 Per-path BS angle spread (AS) .............................................................................................................. 10
4.5.3 Per-path BS angle of departure .............................................................................................................. 11
4.5.4 Per-path BS power azimuth spectrum .................................................................................................... 11
4.6 Spatial parameters for the MS..................................................................................................................... 11
4.6.1 MS antenna pattern ............................................................................................................................... 11
4.6.2 Per-path MS angle spread (AS) ............................................................................................................. 11
4.6.3 Per-path MS angle of arrival ................................................................................................................. 11
4.6.4 Per-path MS power azimuth spectrum ................................................................................................... 12
4.6.5 MS direction of travel ........................................................................................................................... 12
4.6.6 Per-path Doppler spectrum .................................................................................................................... 13
4.7 Generation of channel model ...................................................................................................................... 13
4.8 Calibration and reference values ................................................................................................................. 13
5 Spatial channel model for simulations ............................................................................................... 13
5.1 General definitions, parameters, and assumptions ....................................................................................... 14
5.2 Environments ............................................................................................................................................. 16
5.3 Generating user parameters ........................................................................................................................ 18
5.3.1 Generating user parameters for urban macrocell and suburban macrocell environments ......................... 18
5.3.2 Generating user parameters for urban microcell environments ............................................................... 20
5.4 Generating channel coefficients .................................................................................................................. 22
5.5 Optional system simulation features ........................................................................................................... 23
5.5.1 Polarized arrays .................................................................................................................................... 23
5.5.2 Far scatterer clusters ............................................................................................................................. 25
5.5.3 Line of sight ......................................................................................................................................... 26
5.5.4 Urban canyon ....................................................................................................................................... 27
5.6 Correlation between channel parameters ..................................................................................................... 28
5.7 Modeling intercell interference ................................................................................................................... 29
5.8 System Level Calibration ........................................................................................................................... 30
Annex A: Calculation of circular angle spread ................................................................................ 38
Annex B: Change history ................................................................................................................. 40